00479nam a2200169Ia 450000500170000000800460001703700120006304000210007504100130009608400210010910000190013024500300014926000560017930000120023549000360024765000260028320250508151736.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a371.2, KOOqFEDL  aKoos Leonard V 0aJunior high school trends  aNew York, USAbHarper and Brothers Publishersc1955  ax,171p.  aExploration Series In Education  aSchool Administration